Clamshell package



FIG. 1 is a front perspective view of my clamshell package in the closed position taken from the top left;

FIG. 2 is a rear perspective view thereof in a partially open position taken from the bottom right;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof, the right side being the mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a clamshell package, as shown and described. 